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[3.13] gh-143309: fix UAF in os.execve when the environment is concurrently mutated (GH-143314) #178816

[3.13] gh-143309: fix UAF in os.execve when the environment is concurrently mutated (GH-143314)

[3.13] gh-143309: fix UAF in os.execve when the environment is concurrently mutated (GH-143314) #178816

Triggered via pull request January 3, 2026 22:46
Status Cancelled
Total duration 19m 28s
Artifacts 1

build.yml

on: pull_request
Change detection  /  Create context from changed files
10s
Change detection / Create context from changed files
Matrix: build-android
Matrix: Address sanitizer
Matrix: build-macos
Matrix: build-san
Matrix: Ubuntu SSL tests with OpenSSL
Matrix: build-ubuntu
Matrix: build-windows-msi
Waiting for pending jobs
Matrix: build-windows
Matrix: CIFuzz
Docs  /  Docs
1m 34s
Docs / Docs
Docs  /  Doctest
5m 26s
Docs / Doctest
Docs  /  Check EPUB
1m 43s
Docs / Check EPUB
Check if Autoconf files are up to date
28s
Check if Autoconf files are up to date
Check if generated files are up to date
5m 10s
Check if generated files are up to date
WASI  /  build and test
12m 23s
WASI / build and test
Hypothesis tests on Ubuntu
6m 54s
Hypothesis tests on Ubuntu
Check if the ABI has changed
1m 35s
Check if the ABI has changed
All required checks pass
3s
All required checks pass
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18 errors and 18 warnings
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
Hypothesis tests on Ubuntu
Process completed with exit code 2.
Ubuntu / build and test (ubuntu-24.04-arm)
Process completed with exit code 2.
macOS / build and test (macos-14)
Process completed with exit code 2.
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm)
Process completed with exit code 2.
Ubuntu / build and test (ubuntu-24.04)
Process completed with exit code 2.
macOS (free-threading) / build and test (macos-14)
Process completed with exit code 2.
Address sanitizer (ubuntu-24.04)
Process completed with exit code 2.
macOS / build and test (macos-15-intel)
Process completed with exit code 2.
Ubuntu (free-threading) / build and test (ubuntu-24.04)
Process completed with exit code 2.
Windows (free-threading) / build and test (x64)
Canceling since a higher priority waiting request for Tests-picnixz-backport-9609574-3.13 exists
Windows (free-threading) / build and test (x64)
The operation was canceled.
Android (x86_64)
Canceling since a higher priority waiting request for Tests-picnixz-backport-9609574-3.13 exists
Android (x86_64)
The operation was canceled.
All required checks pass
Process completed with exit code 1.
Tests
Canceling since a higher priority waiting request for Tests-picnixz-backport-9609574-3.13 exists
Tests
Canceling since a higher priority waiting request for Tests-picnixz-backport-9609574-3.13 exists
Check if the ABI has changed
The `python-version` input is not set. The version of Python currently in `PATH` will be used.
Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
macOS / build and test (macos-14)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-14)
tcl-tk@8 8.6.17 is already installed and up-to-date. To reinstall 8.6.17, run: brew reinstall tcl-tk@8
macOS / build and test (macos-14)
gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm
macOS / build and test (macos-14)
xz 5.8.1 is already installed and up-to-date. To reinstall 5.8.1, run: brew reinstall xz
macOS / build and test (macos-14)
pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf
macOS (free-threading) / build and test (macos-14)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS (free-threading) / build and test (macos-14)
tcl-tk@8 8.6.17 is already installed and up-to-date. To reinstall 8.6.17, run: brew reinstall tcl-tk@8
macOS (free-threading) / build and test (macos-14)
gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm
macOS (free-threading) / build and test (macos-14)
xz 5.8.1 is already installed and up-to-date. To reinstall 5.8.1, run: brew reinstall xz
macOS (free-threading) / build and test (macos-14)
pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf
Address sanitizer (ubuntu-24.04)
‘__builtin_strncpy’ output truncated before terminating nul copying as many bytes from a string as its length [-Wstringop-truncation]
macOS / build and test (macos-15-intel)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-15-intel)
tcl-tk@8 8.6.17 is already installed and up-to-date. To reinstall 8.6.17, run: brew reinstall tcl-tk@8
macOS / build and test (macos-15-intel)
gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm
macOS / build and test (macos-15-intel)
xz 5.8.1 is already installed and up-to-date. To reinstall 5.8.1, run: brew reinstall xz
macOS / build and test (macos-15-intel)
pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf

Artifacts

Produced during runtime
Name Size Digest
TSan-logs-free-threading
1.64 KB
sha256:e7c9585a36130d03cf8c8c4af1daf09ab466d14d18719a52689508ef11010789